27540055 has 8 divisors (see below), whose sum is σ = 33231744. Its totient is φ = 21909600.

The previous prime is 27540041. The next prime is 27540067. The reversal of 27540055 is 55004572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-27540055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14311 + ... + 16120.

It is an arithmetic number, because the mean of its divisors is an integer number (4153968).

Almost surely, 2^27540055 is an apocalyptic number.

27540055 is a deficient number, since it is larger than the sum of its proper divisors (5691689).

27540055 is a wasteful number, since it uses less digits than its factorization.

27540055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30617.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 27540055 is about 5247.8619455927. The cubic root of 27540055 is about 301.9870139000.

The spelling of 27540055 in words is "twenty-seven million, five hundred forty thousand, fifty-five".